Double the starting course at the base of the wall (Figure 6). Apply with 1/8" to 1/4" keyway space between Certi-label™ Western Cedar shingles, giving a pronounced individual effect to each course.
Offset the side joints in any one course at least 1 1/2" over joints in adjacent courses (Figure 2).
Use a straight edge, nailing it lightly to the wall with the edge at the butt line (to keep courses straight and level). Check for level every 3 or 4 courses.
This wall application features concealed nailing (Figure 6), with nails driven approximately 1" above the butt line of the succeeding course. For Certi-label™ Western Cedar shingles up to 10" wide, place two nails in each shingle 3/4” from each edge. With Certi-label™ Western Cedar shingles wider than 10", drive two additional nails approximately 1" apart near the center.
Because Certi-label™ Western Cedar shingles vary in width there should be little waste. At corners, or at door or window frames, you may have to trim a selected Certi-label™ Western Cedar shingle slightly.
The CSSB recommends installing over plywood panel or dimensional lumber sheathing. If other sheathing materials are approved for use by your local building official, the holding power of the fasteners should also be considered carefully.
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